dlls/msi/events.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winerror.h"
  27 #include "winreg.h"
  28 #include "msi.h"
  29 #include "msipriv.h"
  30
  31 #include "wine/debug.h"
  32 #include "wine/unicode.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  35
  36 typedef UINT (*EVENTHANDLER)(MSIPACKAGE*,LPCWSTR,msi_dialog *);
  37
  38 struct control_events
  39 {
  40     const WCHAR *event;
  41     EVENTHANDLER handler;
  42 };
  43
  44 struct subscriber {
  45     struct list entry;
  46     msi_dialog *dialog;
  47     LPWSTR event;
  48     LPWSTR control;
  49     LPWSTR attribute;
  50 };
  51
  52 static UINT ControlEvent_HandleControlEvent(MSIPACKAGE *, LPCWSTR, LPCWSTR, msi_dialog*);
  53
  54 /*
  55  * Create a dialog box and run it if it's modal
  56  */
  57 static UINT event_do_dialog( MSIPACKAGE *package, LPCWSTR name, msi_dialog *parent, BOOL destroy_modeless )
  58 {
  59     msi_dialog *dialog;
  60     UINT r;
  61
  62     /* create a new dialog */
  63     dialog = msi_dialog_create( package, name, parent,
  64                                 ControlEvent_HandleControlEvent );
  65     if( dialog )
  66     {
  67         /* kill the current modeless dialog */
  68         if( destroy_modeless && package->dialog )
  69         {
  70             msi_dialog_destroy( package->dialog );
  71             package->dialog = NULL;
  72         }
  73
  74         /* modeless dialogs return an error message */
  75         r = msi_dialog_run_message_loop( dialog );
  76         if( r == ERROR_SUCCESS )
  77             msi_dialog_destroy( dialog );
  78         else
  79             package->dialog = dialog;
  80     }
  81     else
  82         r = ERROR_FUNCTION_FAILED;
  83
  84     return r;
  85 }
  86
  87
  88 /*
  89  * End a modal dialog box
  90  */
  91 static UINT ControlEvent_EndDialog(MSIPACKAGE* package, LPCWSTR argument,
  92                                    msi_dialog* dialog)
  93 {
  94     static const WCHAR szExit[] = {'E','x','i','t',0};
  95     static const WCHAR szRetry[] = {'R','e','t','r','y',0};
  96     static const WCHAR szIgnore[] = {'I','g','n','o','r','e',0};
  97     static const WCHAR szReturn[] = {'R','e','t','u','r','n',0};
  98
  99     if (!strcmpW( argument, szExit ))
 100         package->CurrentInstallState = ERROR_INSTALL_USEREXIT;
 101     else if (!strcmpW( argument, szRetry ))
 102         package->CurrentInstallState = ERROR_INSTALL_SUSPEND;
 103     else if (!strcmpW( argument, szIgnore ))
 104         package->CurrentInstallState = ERROR_SUCCESS;
 105     else if (!strcmpW( argument, szReturn ))
 106     {
 107         msi_dialog *parent = msi_dialog_get_parent(dialog);
 108         msi_free(package->next_dialog);
 109         package->next_dialog = (parent) ? strdupW(msi_dialog_get_name(parent)) : NULL;
 110         package->CurrentInstallState = ERROR_SUCCESS;
 111     }
 112     else
 113     {
 114         ERR("Unknown argument string %s\n",debugstr_w(argument));
 115         package->CurrentInstallState = ERROR_FUNCTION_FAILED;
 116     }
 117
 118     ControlEvent_CleanupDialogSubscriptions(package, msi_dialog_get_name( dialog ));
 119     msi_dialog_end_dialog( dialog );
 120     return ERROR_SUCCESS;
 121 }
 122
 123 /*
 124  * transition from one modal dialog to another modal dialog
 125  */
 126 static UINT ControlEvent_NewDialog(MSIPACKAGE* package, LPCWSTR argument,
 127                                    msi_dialog *dialog)
 128 {
 129     /* store the name of the next dialog, and signal this one to end */
 130     package->next_dialog = strdupW(argument);
 131     ControlEvent_CleanupSubscriptions(package);
 132     msi_dialog_end_dialog( dialog );
 133     return ERROR_SUCCESS;
 134 }
 135
 136 /*
 137  * Create a new child dialog of an existing modal dialog
 138  */
 139 static UINT ControlEvent_SpawnDialog(MSIPACKAGE* package, LPCWSTR argument,
 140                               msi_dialog *dialog)
 141 {
 142     /* don't destroy a modeless dialogs that might be our parent */
 143     event_do_dialog( package, argument, dialog, FALSE );
 144     if( package->CurrentInstallState != ERROR_SUCCESS )
 145         msi_dialog_end_dialog( dialog );
 146     return ERROR_SUCCESS;
 147 }
 148
 149 /*
 150  * Creates a dialog that remains up for a period of time
 151  * based on a condition
 152  */
 153 static UINT ControlEvent_SpawnWaitDialog(MSIPACKAGE* package, LPCWSTR argument,
 154                                   msi_dialog* dialog)
 155 {
 156     FIXME("Doing Nothing\n");
 157     return ERROR_SUCCESS;
 158 }
 159
 160 static UINT ControlEvent_DoAction(MSIPACKAGE* package, LPCWSTR argument,
 161                                   msi_dialog* dialog)
 162 {
 163     ACTION_PerformAction(package, argument, SCRIPT_NONE);
 164     return ERROR_SUCCESS;
 165 }
 166
 167 static UINT ControlEvent_AddLocal( MSIPACKAGE *package, LPCWSTR argument, msi_dialog *dialog )
 168 {
 169     MSIFEATURE *feature;
 170
 171     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 172     {
 173         if (!strcmpW( argument, feature->Feature ) || !strcmpW( argument, szAll ))
 174         {
 175             if (feature->ActionRequest != INSTALLSTATE_LOCAL)
 176                 msi_set_property( package->db, szPreselected, szOne );
 177             MSI_SetFeatureStateW( package, feature->Feature, INSTALLSTATE_LOCAL );
 178         }
 179     }
 180     return ERROR_SUCCESS;
 181 }
 182
 183 static UINT ControlEvent_Remove( MSIPACKAGE *package, LPCWSTR argument, msi_dialog *dialog )
 184 {
 185     MSIFEATURE *feature;
 186
 187     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 188     {
 189         if (!strcmpW( argument, feature->Feature ) || !strcmpW( argument, szAll ))
 190         {
 191             if (feature->ActionRequest != INSTALLSTATE_ABSENT)
 192                 msi_set_property( package->db, szPreselected, szOne );
 193             MSI_SetFeatureStateW( package, feature->Feature, INSTALLSTATE_ABSENT );
 194         }
 195     }
 196     return ERROR_SUCCESS;
 197 }
 198
 199 static UINT ControlEvent_AddSource( MSIPACKAGE *package, LPCWSTR argument, msi_dialog *dialog )
 200 {
 201     MSIFEATURE *feature;
 202
 203     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 204     {
 205         if (!strcmpW( argument, feature->Feature ) || !strcmpW( argument, szAll ))
 206         {
 207             if (feature->ActionRequest != INSTALLSTATE_SOURCE)
 208                 msi_set_property( package->db, szPreselected, szOne );
 209             MSI_SetFeatureStateW( package, feature->Feature, INSTALLSTATE_SOURCE );
 210         }
 211     }
 212     return ERROR_SUCCESS;
 213 }
 214
 215 static UINT ControlEvent_SetTargetPath(MSIPACKAGE* package, LPCWSTR argument,
 216                                    msi_dialog* dialog)
 217 {
 218     static const WCHAR szSelectionPath[] = {'S','e','l','e','c','t','i','o','n','P','a','t','h',0};
 219     LPWSTR path = msi_dup_property( package->db, argument );
 220     MSIRECORD *rec = MSI_CreateRecord( 1 );
 221     UINT r = ERROR_SUCCESS;
 222
 223     MSI_RecordSetStringW( rec, 1, path );
 224     ControlEvent_FireSubscribedEvent( package, szSelectionPath, rec );
 225     if (path)
 226     {
 227         /* failure to set the path halts the executing of control events */
 228         r = MSI_SetTargetPathW(package, argument, path);
 229         msi_free(path);
 230     }
 231     msi_free(&rec->hdr);
 232     return r;
 233 }
 234
 235 static UINT ControlEvent_Reset(MSIPACKAGE* package, LPCWSTR argument,
 236                                    msi_dialog* dialog)
 237 {
 238     msi_dialog_reset(dialog);
 239     return ERROR_SUCCESS;
 240 }
 241
 242 /*
 243  * Subscribed events
 244  */
 245 static void free_subscriber( struct subscriber *sub )
 246 {
 247     msi_free(sub->event);
 248     msi_free(sub->control);
 249     msi_free(sub->attribute);
 250     msi_free(sub);
 251 }
 252
 253 VOID ControlEvent_SubscribeToEvent( MSIPACKAGE *package, msi_dialog *dialog,
 254                                     LPCWSTR event, LPCWSTR control, LPCWSTR attribute )
 255 {
 256     struct subscriber *sub;
 257
 258     TRACE("event %s control %s attribute %s\n", debugstr_w(event), debugstr_w(control), debugstr_w(attribute));
 259
 260     LIST_FOR_EACH_ENTRY( sub, &package->subscriptions, struct subscriber, entry )
 261     {
 262         if (!strcmpiW( sub->event, event ) &&
 263             !strcmpiW( sub->control, control ) &&
 264             !strcmpiW( sub->attribute, attribute ))
 265         {
 266             TRACE("already subscribed\n");
 267             return;
 268         };
 269     }
 270     if (!(sub = msi_alloc( sizeof(*sub) ))) return;
 271     sub->dialog = dialog;
 272     sub->event = strdupW(event);
 273     sub->control = strdupW(control);
 274     sub->attribute = strdupW(attribute);
 275     list_add_tail( &package->subscriptions, &sub->entry );
 276 }
 277
 278 VOID ControlEvent_FireSubscribedEvent( MSIPACKAGE *package, LPCWSTR event, MSIRECORD *rec )
 279 {
 280     struct subscriber *sub;
 281
 282     TRACE("Firing event %s\n", debugstr_w(event));
 283
 284     LIST_FOR_EACH_ENTRY( sub, &package->subscriptions, struct subscriber, entry )
 285     {
 286         if (strcmpiW( sub->event, event )) continue;
 287         msi_dialog_handle_event( sub->dialog, sub->control, sub->attribute, rec );
 288     }
 289 }
 290
 291 VOID ControlEvent_CleanupDialogSubscriptions(MSIPACKAGE *package, LPWSTR dialog)
 292 {
 293     struct list *i, *t;
 294     struct subscriber *sub;
 295
 296     LIST_FOR_EACH_SAFE( i, t, &package->subscriptions )
 297     {
 298         sub = LIST_ENTRY( i, struct subscriber, entry );
 299
 300         if (strcmpW( msi_dialog_get_name( sub->dialog ), dialog ))
 301             continue;
 302
 303         list_remove( &sub->entry );
 304         free_subscriber( sub );
 305     }
 306 }
 307
 308 VOID ControlEvent_CleanupSubscriptions(MSIPACKAGE *package)
 309 {
 310     struct list *i, *t;
 311     struct subscriber *sub;
 312
 313     LIST_FOR_EACH_SAFE( i, t, &package->subscriptions )
 314     {
 315         sub = LIST_ENTRY( i, struct subscriber, entry );
 316
 317         list_remove( &sub->entry );
 318         free_subscriber( sub );
 319     }
 320 }
 321
 322 /*
 323  * ACTION_DialogBox()
 324  *
 325  * Return ERROR_SUCCESS if dialog is process and ERROR_FUNCTION_FAILED
 326  * if the given parameter is not a dialog box
 327  */
 328 UINT ACTION_DialogBox( MSIPACKAGE* package, LPCWSTR szDialogName )
 329 {
 330     UINT r = ERROR_SUCCESS;
 331
 332     if( package->next_dialog )
 333         ERR("Already a next dialog... ignoring it\n");
 334     package->next_dialog = NULL;
 335
 336     /*
 337      * Dialogs are chained by filling in the next_dialog member
 338      *  of the package structure, then terminating the current dialog.
 339      *  The code below sees the next_dialog member set, and runs the
 340      *  next dialog.
 341      * We fall out of the loop below if we come across a modeless
 342      *  dialog, as it returns ERROR_IO_PENDING when we try to run
 343      *  its message loop.
 344      */
 345     r = event_do_dialog( package, szDialogName, NULL, TRUE );
 346     while( r == ERROR_SUCCESS && package->next_dialog )
 347     {
 348         LPWSTR name = package->next_dialog;
 349
 350         package->next_dialog = NULL;
 351         r = event_do_dialog( package, name, NULL, TRUE );
 352         msi_free( name );
 353     }
 354
 355     if( r == ERROR_IO_PENDING )
 356         r = ERROR_SUCCESS;
 357
 358     return r;
 359 }
 360
 361 static UINT ControlEvent_SetInstallLevel(MSIPACKAGE* package, LPCWSTR argument,
 362                                           msi_dialog* dialog)
 363 {
 364     int iInstallLevel = atolW(argument);
 365
 366     TRACE("Setting install level: %i\n", iInstallLevel);
 367
 368     return MSI_SetInstallLevel( package, iInstallLevel );
 369 }
 370
 371 static UINT ControlEvent_DirectoryListUp(MSIPACKAGE *package, LPCWSTR argument,
 372                                          msi_dialog *dialog)
 373 {
 374     return msi_dialog_directorylist_up( dialog );
 375 }
 376
 377 static UINT ControlEvent_ReinstallMode(MSIPACKAGE *package, LPCWSTR argument,
 378                                        msi_dialog *dialog)
 379 {
 380     return msi_set_property( package->db, szReinstallMode, argument );
 381 }
 382
 383 static UINT ControlEvent_Reinstall( MSIPACKAGE *package, LPCWSTR argument,
 384                                     msi_dialog *dialog )
 385 {
 386     return msi_set_property( package->db, szReinstall, argument );
 387 }
 388
 389 static UINT ControlEvent_ValidateProductID(MSIPACKAGE *package, LPCWSTR argument,
 390                                            msi_dialog *dialog)
 391 {
 392     return msi_validate_product_id( package );
 393 }
 394
 395 static const WCHAR end_dialogW[] = {'E','n','d','D','i','a','l','o','g',0};
 396 static const WCHAR new_dialogW[] = {'N','e','w','D','i','a','l','o','g',0};
 397 static const WCHAR spawn_dialogW[] = {'S','p','a','w','n','D','i','a','l','o','g',0};
 398 static const WCHAR spawn_wait_dialogW[] = {'S','p','a','w','n','W','a','i','t','D','i','a','l','o','g',0};
 399 static const WCHAR do_actionW[] = {'D','o','A','c','t','i','o','n',0};
 400 static const WCHAR add_localW[] = {'A','d','d','L','o','c','a','l',0};
 401 static const WCHAR removeW[] = {'R','e','m','o','v','e',0};
 402 static const WCHAR add_sourceW[] = {'A','d','d','S','o','u','r','c','e',0};
 403 static const WCHAR set_target_pathW[] = {'S','e','t','T','a','r','g','e','t','P','a','t','h',0};
 404 static const WCHAR resetW[] = {'R','e','s','e','t',0};
 405 static const WCHAR set_install_levelW[] = {'S','e','t','I','n','s','t','a','l','l','L','e','v','e','l',0};
 406 static const WCHAR directory_list_upW[] = {'D','i','r','e','c','t','o','r','y','L','i','s','t','U','p',0};
 407 static const WCHAR selection_browseW[] = {'S','e','l','e','c','t','i','o','n','B','r','o','w','s','e',0};
 408 static const WCHAR reinstall_modeW[] = {'R','e','i','n','s','t','a','l','l','M','o','d','e',0};
 409 static const WCHAR reinstallW[] = {'R','e','i','n','s','t','a','l','l',0};
 410 static const WCHAR validate_product_idW[] = {'V','a','l','i','d','a','t','e','P','r','o','d','u','c','t','I','D',0};
 411
 412 static const struct control_events control_events[] =
 413 {
 414     { end_dialogW, ControlEvent_EndDialog },
 415     { new_dialogW, ControlEvent_NewDialog },
 416     { spawn_dialogW, ControlEvent_SpawnDialog },
 417     { spawn_wait_dialogW, ControlEvent_SpawnWaitDialog },
 418     { do_actionW, ControlEvent_DoAction },
 419     { add_localW, ControlEvent_AddLocal },
 420     { removeW, ControlEvent_Remove },
 421     { add_sourceW, ControlEvent_AddSource },
 422     { set_target_pathW, ControlEvent_SetTargetPath },
 423     { resetW, ControlEvent_Reset },
 424     { set_install_levelW, ControlEvent_SetInstallLevel },
 425     { directory_list_upW, ControlEvent_DirectoryListUp },
 426     { selection_browseW, ControlEvent_SpawnDialog },
 427     { reinstall_modeW, ControlEvent_ReinstallMode },
 428     { reinstallW, ControlEvent_Reinstall },
 429     { validate_product_idW, ControlEvent_ValidateProductID },
 430     { NULL, NULL }
 431 };
 432
 433 UINT ControlEvent_HandleControlEvent( MSIPACKAGE *package, LPCWSTR event,
 434                                       LPCWSTR argument, msi_dialog *dialog )
 435 {
 436     unsigned int i;
 437
 438     TRACE("handling control event %s\n", debugstr_w(event));
 439
 440     if (!event) return ERROR_SUCCESS;
 441
 442     for (i = 0; control_events[i].event; i++)
 443     {
 444         if (!strcmpW( control_events[i].event, event ))
 445             return control_events[i].handler( package, argument, dialog );
 446     }
 447     FIXME("unhandled control event %s arg(%s)\n", debugstr_w(event), debugstr_w(argument));
 448     return ERROR_SUCCESS;
 449 }